Pharmaceutical products for the treatment of infectious diseases; antiulcerants; vaccines; pharmaceutical preparations for the treatment of leukemia; pharmaceutical preparations for use in urology; anti-inflammatories; pharmaceutical agents affecting digestive organs; pharmaceutical preparations for the treatment of cancer; drug delivery agents that facilitate the delivery of pharmaceutical preparations; chemical preparations for medical purposes; diagnostic preparations for medical or veterinary purposes; biological preparations for medical or veterinary purposes; chemical preparations for medical or veterinary purposes; diagnostic reagents and contrast media for medical purposes; human vaccine preparations; medicines for human purposes; pharmaceutical preparations for the treatment of tumours; pharmaceutical preparations for diagnosis; anti-cancer preparations; tumor suppressing agents